
BIOSTAR MICROTECH INTERNATIONAL CORPORATION

M5ATC

Device Type       Mainboard
Processor         CX 6X86/CX 6X86L/CX 686MX/AM K5/AM K6/IDT/Pentium/

                  Pentium MMX
Processor Speed   90/100/120/133/150/166/180/200/233/266MHz
Chip Set          ALI
Video Chip Set    None
Maximum Onboard   256MB (EDO & SDRAM supported)
Memory
Maximum Video     None
Memory
Cache             256/512KB
BIOS              Award
Dimensions        225mm x 220mm
I/O Options       32-bit PCI slots (4), floppy drive interface, green PC
                  connector, IDE interfaces (2), parallel port, PS/2 mouse
                  port, PS/2 mouse interface, serial ports (2), IR
                  connector, USB connector, ATX power connector
NPU Options       None

[Image]

                                CONNECTIONS

  Purpose                Location      Purpose                Location

  ATX power                ATX         Speaker             J14/pins 1 - 4
  connector

  PS/2 mouse                J2         Power LED &         J14/pins 5 - 9
  interface                            keylock

  Parallel port             J5         Soft off power       J14/pins 10 &
                                       supply                    11

  Floppy drive              J7         Reset switch         J14/pins 12 &
  interface                                                      13

  IDE interface 2           J8         Green PC connector   J14/pins 17 &
                                                                 18

  IDE interface 1           J9         IDE interface LED    J14/pins 20 &
                                                                 21

  PS/2 mouse port          J10         IR connector         J14/pins 22 -
                                                                 26

  Serial port 1            J11         CPU fan power            J15

  Serial port 2            J12         Wake on LAN              JP10
                                       connector

  USB connector            J13         32-bit PCI slots      PC1  PC4

                        USER CONFIGURABLE SETTINGS

               Function                    Label           Position

     Factory configured - do not           JP2          Unidentified
      alter

     Factory configured - do not           JP3          Unidentified
      alter

     CMOS memory normal operation          JP4        Pins 1 & 2 closed

      CMOS memory clear                     JP4        Pins 2 & 3 closed

              SIMM CONFIGURATION

      Size          Bank 0          Bank 1

      8MB         (2) 1M x 36        None

      16MB        (2) 2M x 36        None

      16MB        (2) 1M x 36    (2) 1M x 36

      24MB        (2) 2M x 36    (2) 1M x 36

      32MB        (2) 4M x 36        None

      32MB        (2) 2M x 36    (2) 2M x 36

      40MB        (2) 4M x 36    (2) 1M x 36

      48MB        (2) 4M x 36    (2) 2M x 36

      64MB        (2) 8M x 36        None

      64MB        (2) 4M x 36    (2) 4M x 36

      72MB        (2) 8M x 36    (2) 1M x 36

      80MB        (2) 8M x 36    (2) 2M x 36

      96MB        (2) 8M x 36    (2) 4M x 36

     128MB        (2) 8M x 36    (2) 8M x 36

     128MB        (2) 16M x 36       None

          SIMM CONFIGURATION (CONT)

      Size          Bank 0          Bank 1

     136MB        (2) 16M x 36   (2) 1M x 36

     144MB        (2) 16M x 36   (2) 2M x 36

     160MB        (2) 16M x 36   (2) 4M x 36

     192MB        (2) 16M x 36   (2) 8M x 36

     256MB        (2) 16M x 36   (2) 16M x 36

  Note: Board accepts EDO memory.

              DIMM CONFIGURATION

      Size          Bank 2          Bank 3

      8MB         (1) 1M x 64        None

      16MB        (1) 2M x 64        None

      16MB        (1) 1M x 64    (1) 1M x 64

      24MB        (1) 2M x 64    (1) 1M x 64

      32MB        (1) 4M x 64        None

      32MB        (1) 2M x 64    (1) 2M x 64

      40MB        (1) 4M x 64    (1) 1M x 64

      48MB        (1) 4M x 64    (1) 2M x 64

      64MB        (1) 8M x 64        None

      64MB        (1) 4M x 64    (1) 4M x 64

      72MB        (1) 8M x 64    (1) 1M x 64

      80MB        (1) 8M x 64    (1) 2M x 64

      96MB        (1) 8M x 64    (1) 4M x 64

     128MB        (1) 16M x 64       None

     128MB        (1) 8M x 64    (1) 8M x 64

     136MB        (1) 16M x 64   (1) 1M x 64

     144MB        (1) 16M x 64   (1) 2M x 64

     160MB        (1) 16M x 64   (1) 4M x 64

     192MB        (1) 16M x 64   (1) 8M x 64

     256MB        (1) 16M x 64   (1) 16M x 64

  Note: Board accepts SDRAM memory.

      CACHE CONFIGURATION

      Size          Bank 0

     256KB       (2) 32K x 32

     512KB       (2) 64K x 32

                       CPU SPEED SELECTION (CX 6X86)

   CPU speed      Clock speed     Multiplier        JP6           JP9

     150MHz          60MHz            2x           1 & 2         1 & 2

     166MHz          66MHz            2x           1 & 2         Open

     200MHz          75MHz            2x           1 & 2       3 & 4, 5 &
                                                                   6

  Note: Pins designated should be in the closed position.

                      CPU SPEED SELECTION (CX 6X86L)

   CPU speed      Clock speed     Multiplier        JP6           JP9

     150MHz          60MHz            2x           1 & 2         1 & 2

     166MHz          66MHz            2x           1 & 2         Open

     200MHz          75MHz            2x           1 & 2       3 & 4, 5 &
                                                                   6

  Note: Pins designated should be in the closed position.

                      CPU SPEED SELECTION (CX 6X86MX)

   CPU speed      Clock speed     Multiplier        JP6           JP9

     150MHz          60MHz            2x           1 & 2         1 & 2

     166MHz          66MHz            2x           1 & 2         Open

     166MHz          60MHz           2.5x        1 & 2, 3 &      1 & 2
                                                     4

     200MHz          75MHz            2x           1 & 2       3 & 4, 5 &
                                                                   6

     200MHz          66MHz           2.5x        1 & 2, 3 &      Open
                                                     4

     200MHz          60MHz            3x           3 & 4         1 & 2

     233MHz          83MHz            2x           1 & 2       1 & 2, 5 &
                                                                   6

     233MHz          75MHz           2.5x        1 & 2, 3 &    3 & 4, 5 &
                                                     4             6

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (AM K5)

   CPU speed      Clock speed     Multiplier        JP6           JP9

     90MHz           60MHz           1.5x           Open         1 & 2

     100MHz          66MHz           1.5x           Open         Open

     120MHz          60MHz            2x           1 & 2         1 & 2

     133MHz          66MHz            2x           1 & 2         Open

     166MHz          66MHz           2.5x        1 & 2, 3 &      Open
                                                     4

     200MHz          66MHz            3x           3 & 4         Open

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (AM K6)

   CPU speed      Clock speed     Multiplier        JP6           JP9

     166MHz          66MHz           2.5x        1 & 2, 3 &      Open
                                                     4

     200MHz          66MHz            3x           3 & 4         Open

     233MHz          66MHz           3.5x          1 & 2         Open

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (IDT)

   CPU speed    Clock speed     Multiplier        JP6            JP9

    180MHz         66MHz            3x           3 & 4          1 & 2

    200MHz         66MHz            3x           3 & 4          Open

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (INTEL)

   CPU speed      Clock speed     Multiplier        JP6           JP9

     90MHz           60MHz           1.5x           Open         1 & 2

     100MHz          66MHz           1.5x           Open         Open

     120MHz          60MHz            2x           1 & 2         1 & 2

     133MHz          66MHz            2x           1 & 2         Open

     150MHz          60MHz           2.5x        1 & 2, 3 &      1 & 2
                                                     4

     166MHz          66MHz           2.5x        1 & 2, 3 &      Open
                                                     4

     200MHz          66MHz            3x           3 & 4         Open

  Note: Pins designated should be in the closed position.

                      CPU SPEED SELECTION (INTEL MMX)

   CPU speed      Clock speed     Multiplier        JP6           JP9

     166MHz          66MHz           2.5x        1 & 2, 3 &      Open
                                                     4

     200MHz          66MHz            3x           3 & 4         Open

     233MHz          66MHz           3.5x           Open         Open

  Note: Pins designated should be in the closed position.

                      CPU VOLTAGE SELECTION (SINGLE)

               Voltage                                JP7

                3.3v                    Pins 1 & 2, 5 & 6, 7 & 8 closed

                3.5v                    Pins 1 & 2, 3 & 4, 5 & 6, 7 & 8
                                                    closed

                       CPU VOLTAGE SELECTION (DUAL)

         Voltage                 V core                     JP7

          3.3v                    2.1v               Pins 1 & 2 closed

          3.3v                    2.2v               Pins 3 & 4 closed

          3.3v                    2.8v               Pins 7 & 8 closed

          3.3v                    2.9v               Pins 1 & 2, 7 & 8
                                                          closed

          3.3v                    3.2v               Pins 5 & 6, 7 & 8
                                                          closed

